#2D304C
Closest named color: Space Cadet (#2B2D42). oklch(32% 0.05 278.5), rgb(45, 48, 76).
Aa
White text reads best on this color (12.81:1).
About this color
#2D304C is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.050 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.019 away. White text reads best on it, at 12.81:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.63:1 |
| White text | 12.81:1 |
Values
| HEX | #2D304C |
| RGB | rgb(45, 48, 76) |
| HSL | hsl(234, 26%, 24%) |
| OKLCH | oklch(32% 0.05 278.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2D304C | 12.81:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #2D304C | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #2D304C text on white | 12.81:1 | AAA | Lc 98.9 | Preferred for body text |
| #2D304C text on black | 1.63:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7EF
oklch(88.4% 0.033 280)
-
Step 300
300
#B7BDE7
oklch(80.8% 0.06 278.6)
-
Step 400
400
#939BDB
oklch(70.8% 0.094 278.2)
-
Step 500
500
#7A81D1
oklch(63.2% 0.12 278.6)
-
Step 600
600
#6369BE
oklch(55.6% 0.13 278.2)
-
Step 700
700
#5257A4
oklch(49.1% 0.122 278.1)
-
Step 800
800
#434785
oklch(42.6% 0.102 278.4)
-
Step 900
900
#393C6B
oklch(37.7% 0.08 279.1)
-
Step 950
950 (this color)
#2D304C
oklch(32% 0.05 278.5)
#2D304C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #27334D | 0.012 |
| Deuteranopia (no green cones) | #25314B | 0.013 |
| Tritanopia (no blue cones) | #24353A | 0.044 |
| Achromatopsia (no color) | #323232 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D304C
#2D304C
oklch(32% 0.05 278.5)
- #393312
#393312
oklch(31.9% 0.05 99.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2D304C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.019
- Gunmetal #293241 ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.038
- Onyx #343A40 ΔE 0.047
- Midnight Green #073B4C ΔE 0.050
- Oxford Blue #1B263B ΔE 0.053
- Marine #042E60 ΔE 0.058
Use #2D304C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.